How to Stay in Touch With People in Real Life

I used to think some people were cool and all this kind of stuff. But it really until about third year, I didn't really realize that I saw the world in the sort of cool versus uncool thing. And so yeah, I should still definitely do more of that. If you're the one who says hello to someone on the train, they're probably going to be nice about it. They're probably not going to take the initiative. The thing is, it's a big sort of vulnerability to say, hey, I want to be friends with you. It's like asking someone out on date, for example. Because it's like, hey, will you go out with me